#ifndef _H_HEXSTR_
#define _H_HEXSTR_

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

int bytes2hexstr( unsigned char *bytes , size_t bytes_len , unsigned char *hexstr );

#ifdef __cplusplus
}
#endif

#endif

